Video specs

Panasonic Lumix GH1

Price £970
Sensor 12.1MP LiveMOS (MicroFourThirds)
Format AVCHD / QuickTime Motion JPEG
Video Size
AVCHD 1920 x 1080, 50i/60i (output is 25fps/24fps), 1280 x 720, 50p/60p
Motion Jpeg 1280 x 720, 30fps / 320 x 240, 30fps / 640 x 480, 30fps / 848 x 480, 30fps
Audio Dolby Digital Stereo creator
Input 2.5mm stereo Mic
Output miniHDMI (1080i), USB 2.0
Max clip length 29.59min
Aperture control Yes
Shutter control Yes
ISO control Yes (Auto, 100-1600)
Quick record button Yes
LCD 3in TFT 460k
Dimensions 124×89.6×45.2mm
Weight 385g (body only)

Canon EOS 550D

Price £690
Sensor 18MP CMOS (APS-C)
Format MOV (Video: H.264, Sound: Linear PCM)
Video Size   
Mov (quicktime) 1920 x 1080 (29.97/ 25/ 23.976fps), 1280 x 720 (59.94/ 50 fps),
640 x 480 (59.94/ 50 fps)
Audio Linear PCM
Input 3.5mm stereo Mic
Output miniHDMI, USB
Max clip length 12mins (HD) /24min (VGA)
Aperture control Yes
Shutter control Yes
ISO control Yes (Auto, 100-6400)
Quick record button Yes
LCD 3in TFT 1024k
Dimensions 128.8×97.3x62mm
Weight 530g (body only)